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The microbial diversity of laboratory-scale wetlands appears to be randomly assembled

Lookup NU author(s): Dr Joana Baptista, Dr Russell Davenport, Professor Thomas Donnelly, Professor Thomas Curtis

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Abstract

This study investigated the formation of the microbial communities in two horizontal subsurface-flow laboratory-scale constructed wetlands, one planted and the other one unplanted. The abundance of the predominant functional groups (Archaea, Bacteria and sulphate-reducing bacteria) was determined using fluorescence in situ hybridization and the diversity and community structure of those functional groups were analysed using denaturing gradient gel electrophoresis. The numbers of Archaea, Bacteria and sulphate-reducing bacteria were indistinguishable in both reactors (P=0.99, 0.80 and 0.55, respectively). The microbial communities in both wetlands were typically no more similar than if they had been randomly assembled from a common source community. Plants did not appear to exert a strong effect on the structure of the microbial communities in the horizontal subsurface-flow constructed wetlands (HSCWs) studied in this investigation. © 2008 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Baptista JDC, Davenport RJ, Donnelly T, Curtis TP

Publication type: Article

Publication status: Published

Journal: Water Research

Year: 2008

Volume: 42

Issue: 12

Pages: 3182-3190

Date deposited: 25/08/2010

ISSN (print): 0043-1354

ISSN (electronic): 1879-2448

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.watres.2008.03.013

DOI: 10.1016/j.watres.2008.03.013


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